document.write( "Question 247525: Julie leaves home travelling at 45 mph. An hour later, her mom follows at 60 mph. How long will it take her mom to catch up to Julie? \n" ); document.write( "
Algebra.Com's Answer #180578 by checkley77(12844)\"\" \"About 
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D=RT
\n" ); document.write( "D=45T FOR JULIE
\n" ); document.write( "D=60(T-1) FOR MOM.
\n" ); document.write( "45T=60(T-1)
\n" ); document.write( "45T=60T-60
\n" ); document.write( "45T-60T=-60
\n" ); document.write( "-15T=-60
\n" ); document.write( "T=-60/-15
\n" ); document.write( "T=4 HOURS AFTER JULIE LEAVES MOM WILL OVERTAKE HER.
\n" ); document.write( "PROOF:
\n" ); document.write( "45*4=60(4-1)
\n" ); document.write( "180=60*3
\n" ); document.write( "180=180
\n" ); document.write( "
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